/Engine/Source/Runtime/Engine/Public/MaterialCompiler.h
int32 StrataConversionFromLegacy ( bool bHasDynamicShadingModels, int32 BaseColor, int32 Specular, int32 Metallic, int32 Roughness, int32 Anisotropy, int32 SubSurfaceColor, int32 SubSurfaceProfileId, int32 ClearCoat, int32 ClearCoatRoughness, int32 EmissiveColor, int32 Opacity, int32 TransmittanceColor, int32 WaterScatteringCoefficients, int32 WaterAbsorptionCoefficients, int32 WaterPhaseG, int32 ColorScaleBehindWater, int32 ShadingModel, int32 Normal, int32 Tangent, const [FString](API\Runtime\Core\Containers\FString) & SharedLocalBasisIndexMacro, int32 ClearCoat_Normal, int32 ClearCoat_Tangent, const [FString](API\Runtime\Core\Containers\FString) & ClearCoat_SharedLocalBasisIndexMacro, int32 CustomTangent_Tangent, [FStrataOperator](API\Runtime\Engine\Rendering\FStrataOperator) * PromoteToOperator )